diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 976013c..0a5b029 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,11 +9,11 @@ jobs:
     strategy:
       matrix:
         operating-system: ['ubuntu-latest']
-        php-versions: ['8.1', '8.2']
+        php-versions: ['8.1', '8.2', '8.3', '8.4']
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -24,7 +24,7 @@ jobs:
           coverage: none
 
       - name: Install Composer dependencies
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
 
       - name: PHPUnit tests
         run: vendor/bin/phpunit
\ No newline at end of file
diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
index 7309357..f560011 100644
--- a/.github/workflows/psalm.yml
+++ b/.github/workflows/psalm.yml
@@ -13,10 +13,10 @@ jobs:
     strategy:
       matrix:
         operating-system: ['ubuntu-latest']
-        php-versions: ['8.1']
+        php-versions: ['8.3']
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2